package com.atguigu.gulimall.product.exception;

import com.atguigu.common.expection.BizCodeEnum;
import com.atguigu.common.utils.R;

import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;


import java.util.HashMap;
import java.util.Map;

@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
@Slf4j
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题｛｝，异常类型是:{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        Map<String,String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError)->{
            map.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    //处理全局异常
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        log.error("错误：",throwable);
        return R.error(BizCodeEnum.UNKNOW_EXEPTION.getCode(), BizCodeEnum.UNKNOW_EXEPTION.getMsg());
    }

}
